ASoC: kirkwood: Add i2s support

This patch enables support for the i2s controller available on kirkwood
platforms

Signed-off-by: Arnaud Patard <apatard@mandriva.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/Kconfig b/sound/soc/Kconfig
index 6e04fc2..5e68ac8 100644
--- a/sound/soc/Kconfig
+++ b/sound/soc/Kconfig
@@ -32,6 +32,7 @@
 source "sound/soc/imx/Kconfig"
 source "sound/soc/nuc900/Kconfig"
 source "sound/soc/omap/Kconfig"
+source "sound/soc/kirkwood/Kconfig"
 source "sound/soc/pxa/Kconfig"
 source "sound/soc/s3c24xx/Kconfig"
 source "sound/soc/s6000/Kconfig"